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Trends in Rail Electrification
International Conference on Decarbonization of Indian Railway –
Mission Electrification
René Wimmer
siemens.com/rail-electrification
© Siemens AG 2016
© Siemens AG 2016
November 2016 Page 2 siemens.com/rail-electrification
Content
Megatrends Require
Mobility Solutions
Rail Electrification Systems
Overview
Rail Electrification
Requirements
Rail Electrification
in the Smart Grid Age
Trends in Monitoring &
Maintenance
References
© Siemens AG 2016
November 2016 Page 3 siemens.com/rail-electrification
Two new city dwellers per second!
The dawn of the “urban millennium” has started!
Urban Millennium
Population
Regional
powerhouses
Major energy and
climate factor
In 2007 ~50% of the world’s
population was living in
cities, an increase from
3.5B to 4.7B until 2030
50% of world GDP is
produced in cities with a
population over 750K
75% of energy consumed
in cities; 80% of CO2
emissions are produced
in cities
© Siemens AG 2016
November 2016 Page 4 siemens.com/rail-electrification
The transportation of people and goods
has top priority for cities as …
… #1 on mayors’ political agendas1)
“We are investing billions in improving the transport
network and easing the burden for millions of
commuters. And the whole purpose of that
investment is making public transport better
and easier for people to use.”
Boris Johnson, Mayor of London
1 Source: Megacity Challenges Study by GlobeScan and MRC McLean Hazel
© Siemens AG 2016
November 2016 Page 5 siemens.com/rail-electrification
The transportation of people and goods
has top priority for cities as …
... most important driver for “Quality of Life”
“Congestion has several effects on travelers,
businesses, agencies and cities. One significant
element is the value of the additional time and
wasted fuel. 1.9 billion gallons of fuel were wasted
in the 439 U.S. urban areas. This amount of fuel
would fill 38 super-tankers or 210,000 gasoline
tank trucks.”
Texas Transportation Institute
© Siemens AG 2016
November 2016 Page 6 siemens.com/rail-electrification
The transportation of people and goods
has top priority for cities as …
… key success factor for global
competitiveness
“Today, 64% of all travel kilometers made are urban...
Being able to get around urban areas quickly,
conveniently and with little environmental impact
is critical to cities’ success”
Arthur D. Little, Management Consultancy
© Siemens AG 2016
November 2016 Page 7 siemens.com/rail-electrification
Content
Megatrends Require
Mobility Solutions
Rail Electrification Systems
Overview
Rail Electrification
Requirements
Rail Electrification
in the Smart Grid Age
Trends in Monitoring &
Maintenance
References
© Siemens AG 2016
November 2016 Page 8 siemens.com/rail-electrification
Energy flow
Rail Electrification
Generation Power plant
Transmission/Distribution High-voltage/Medium-voltage
Conversion Substation
Feeding/Return line Contact line/Track
© Siemens AG 2016
November 2016 Page 9 siemens.com/rail-electrification
Market segments
Contact Line for Main-line Railways
DC Traction Power Supply
AC Traction Power Supply
Contact Line for Mass Transit
Network Control
© Siemens AG 2016
November 2016 Page 10 siemens.com/rail-electrification
Content
Megatrends Require
Mobility Solutions
Rail Electrification Systems
Overview
Rail Electrification
Requirements
Rail Electrification
in the Smart Grid Age
Trends in Monitoring &
Maintenance
References
© Siemens AG 2016
November 2016 Page 11 siemens.com/rail-electrification
Operator requirements
Rail Electrification
Ideal Rail Electrification
System
Minimum Life Cycle Costs
Maximum Availability
Safety of Personnel and Installations
© Siemens AG 2016
November 2016 Page 12 siemens.com/rail-electrification
Stakeholder requirements
Rail Electrification
• System interactions
• Peak loads
• Measurement and protection
Power utilities requirements
• Vehicles
• Timetable
Transportation performance
• Local
• International
Standards
• Reliable supply
• Redundancy
Availability
• Investment
• Operation
• Maintenance
Economic efficiency (LCC)
• Electrical and magnetic fields
• Noise emission
• Climate (CO2)
Environmental compatibility
• Climate
• Topography
Geographic requirements
• Operators
• Passengers, pedestrians
• Protection of installations
Electrical safety
• Stations
• Technical buildings
• Tunnels
• Viaducts
• Crossings
Line requirements
• Signaling
• Control systems
Rail Automation
Energy saving
Rail Electrification
• ISO 50001
• Intelligent load management
© Siemens AG 2016
November 2016 Page 13 siemens.com/rail-electrification
The complete range of services from a single source
Project management
Quality management
Configuration
(System
Design)
Consulting/
Financing
Configuration
(Detailed
Design)
Production Delivery Installation/
Commissioning Documentation Training
Aftersales
Service
© Siemens AG 2016
November 2016 Page 14 siemens.com/rail-electrification
Content
Megatrends Require
Mobility Solutions
Rail Electrification Systems
Overview
Rail Electrification
Requirements
Rail Electrification
in the Smart Grid Age
Trends in Maintenance
References
© Siemens AG 2016
November 2016 Page 15 siemens.com/rail-electrification
What is Smart Grid?
© Siemens AG 2016
November 2016 Page 16 siemens.com/rail-electrification
Rail Electrification in the Smart Grid Age –
Traction power systems as part of changing energy systems
Challenges in energy system
Smart Grid solutions
Renewable energy and
distributed generation
Limited grid and
generation capacity
Aging and insufficient
infrastructures
Cost and emissions of
supply
Balance of generation and
demand, new business
models
Load management
and power quality
Reliability through
monitoring, automatic
power failure avoidance
and troubleshooting
More efficiency in
generation, transmission,
distribution and consumption
© Siemens AG 2016
November 2016 Page 17 siemens.com/rail-electrification
Two power grids converge
Traction power grid
• Recovery within
traction power grid
• Monitoring
• Network control
• Energy Management
Public grid • Integration of regenerative
energy sources
• Recovery: bi-directional transfer
of active power
• Power quality for both grids together
Integration of grids
• Smart monitoring solutions
for both grids
Information exchange
• Generation and demand
at the same time
• Load management
• Smart controls
© Siemens AG 2016
November 2016 Page 18 siemens.com/rail-electrification
Content
Megatrends Require
Mobility Solutions
Rail Electrification Systems
Overview
Rail Electrification
Requirements
Rail Electrification
in the Smart Grid Age
Trends in Monitoring &
Maintenance
References
© Siemens AG 2016
November 2016 Page 19 siemens.com/rail-electrification
How to increase saftey for Disconnectors?
Disconnector monitoring system Sicat DMS
The Sicat DMS Disconnector monitoring system
serves for safe detection and indication of the
switch position.
• Contactless measuring method
• No influence on disconnector
• Reliable position indication directly on disconnector
• By default on earth potential
• Optional on contact line potential
• For all Siemens OCL disconnector types available
• Integration into control of drive mechanism or
external evaluation unit
• Safety approved version available (SIL 1)
© Siemens AG 2016
November 2016 Page 20 siemens.com/rail-electrification
How to reduce maintenance for Disconnectors?
Low Maintenance Disconnector up to 25 kV AC (Sicat 8WL6144)
• Low-maintenance due to self-lubricating
characteristic of silver graphite plated contact set
• Minimum wear at arc extinguishing due to tungsten
tips at the arcing horns (load breaker function up to
ten switchings)
• Long service life and low-maintenance due to
corrosion resistant materials and hydrophobic
surface of composite insulators
• Easy installation and resistant against vandalism
due to shatter-proof composite insulators
• Higher current load-capacity and environmental
resistance for certain variants due to silver-coated
contacts
• Thanks to their modular design, suitable as
disconnectors with and without earth contact in
single-phase AC systems and autotransformer
systems
© Siemens AG 2016
November 2016 Page 21 siemens.com/rail-electrification
How to improve my Depot?
Moveable overhead conductor rail
• Every 12 meter one
support
• Motorized brackets
• Horizontal rotation of 84°
• Free area from centerline
from 1,80 to 2,80 meters
In In-Rail position – the train can be supplied with electric power via overhead contact rigid and train’s pantographs.
In Out-Rail position –maintenance work can be done with full access to the train and without the risk of electric shock
by touching the contact rail.
© Siemens AG 2016
November 2016 Page 22 siemens.com/rail-electrification
Moveable overhead conductor rail
Support Design
Motorized
Support Non - Motorized
Support
© Siemens AG 2016
November 2016 Page 23 siemens.com/rail-electrification
Moveable overhead conductor rail
Customer Requirements
Safety concept based on the five security rules including earthing
Key Concept to protect for operation errors and
secure a safe working environment
Visual and acoustic status indication
Interlocking with other systems like crane and doors access
High availability of the products and the complete system
Monitoring of the system
© Siemens AG 2016
November 2016 Page 24 siemens.com/rail-electrification
Disconnector with Earthing function
Interlocking concept
Emergency Button on all motorized
supports including monitoring
Signal Beacons
Control Panel for operation
Status Monitoring and product
failure diagnostic
Products and Solution from one
supplier
Moveable overhead conductor rail
SICAT SRD meet all requirements of the customer
© Siemens AG 2016
November 2016 Page 25 siemens.com/rail-electrification
Damages in the Overhead contact line is one of
the main problems for Train operator
How to increase the availability and reduce
maintenance for the overhead conduct line?
© Siemens AG 2016
November 2016 Page 26 siemens.com/rail-electrification
Sicat PMS
Pantograph monitoring system for OCS
Reliable measured value acquisition by laser sensor even in
adverse weather conditions
Measurement redundancy thanks to optional optomechanical
angular position sensor
Simple and reliable train identification by means of RFID
technology
Sicat PMS detects defective or improperly adjusted
pantographs
Forwards this information to a control centre
Concerned trains can be stopped or rerouted in time
Increase system and operational safety!
© Siemens AG 2016
November 2016 Page 27 siemens.com/rail-electrification
Sicat PMS Pantograph Monitoring System
Main components – Measured value acquisition
Uplift measured by laser sensor
• Directly above the contact wire
• Metal plate, mounted on the contact wire, reflects the
laser signal
• The power supply cable to the sensor will be encased by
high voltage insulation
Uplift measurement by potential free optomechanical
angular position sensor (optional)
• Mounted on
© Siemens AG 2016
November 2016 Page 28 siemens.com/rail-electrification
Sicat PMS Pantograph Monitoring System
Design - System topology
© Siemens AG 2016
November 2016 Page 29 siemens.com/rail-electrification
Sicat CMS can be installed in all tension wheel equipment of Siemens with weight sets
and can be retrofitted in existing installations as well.
Sicat CMS – Catenary Monitoring System
Functions
Status monitoring of the overhead contact line
Status monitoring of the tension wheel equipment
Detection of tensile forces in the catenary system
Detection of wire ruptures
Detection of significant changes in the tensile
force attributable to external influence
© Siemens AG 2016
November 2016 Page 30 siemens.com/rail-electrification
Sicat CMS – Catenary Monitoring System
System topology
Example of the topology of a Sicat CMS: hierarchical cross-linking
SCADA
WAN
Evaluation level
e.g. Profibus
Sensor and data
acquisition level
© Siemens AG 2016
November 2016 Page 31 siemens.com/rail-electrification
Sicat CMS – Catenary Monitoring System
Design
Main components
• Sensors
• Data acquisition stations and evaluation
stations
(integrated if necessary)
• Fiber optic cable network
• Central or distributed power supply
© Siemens AG 2016
November 2016 Page 32 siemens.com/rail-electrification
Sicat CMS continuously monitors the tensile forces in the contact wire and
catenary wire and passes the sensor information on to the control center.
Sicat CMS – Catenary Monitoring System
Increase of availability of electrified lines
Reduce of malfunction period due to quick detection, analysis and
localization of faults
Prevention or limitation of subsequent damages
Reduce of delays in operation
Increase of security of systems and operation
Reliable fault detection with geographical reference
Support of status-oriented maintenance due to early detection of
faults
and divergation of threasholds
© Siemens AG 2016
November 2016 Page 33 siemens.com/rail-electrification
Improvement of availability and reduction of
lifecycle costs with Aluminum Cantilever
Made of lightweight aluminum tubes compared to existing GI Cantilevers – easy to install - Aluminum-tubes are easy to produce and easy to adjust (cut through)
Great mechanical strength as well as an elegant metal design
with a long service life, high reliability leading to low
maintenance cost, resistance to corrosion , fit for > 200 kmph for
Indian Railways (high speed applications).
Preassembly or delivery of complete cantilever assemblies
is possible (no cutting tasks on site), pre calculated fixing points
of cantilever components reduces adjustment works on site,
only one type of tool is needed from complete installation,
lesser installation time i.e. 35 mins only no need of crane,
only 2 workers on platform needed at time, indirect cost savings, it will help in achieving IR vision of fast track Railway Electrification > 3,000 RKM.
Better Environment sustainability (less amount of material used) and operational safety (better short circuit withstand capability of Aluminum)
© Siemens AG 2016
November 2016 Page 34 siemens.com/rail-electrification
Installation of preassembled cantilever (Reduction in man hours)
Prepare installation
Installation without crane, only 2
workers on platform needed
Fixation
© Siemens AG 2016
November 2016 Page 35 siemens.com/rail-electrification
Content
Megatrends Require
Mobility Solutions
Rail Electrification Systems
Overview
Rail Electrification
Requirements
Rail Electrification
in the Smart Grid Age
Trends in Monitoring &
Maintenance
References
© Siemens AG 2016
November 2016 Page 36 siemens.com/rail-electrification
Rail Electrification – Milestones
Siemens: Innovator, Provider and Partner No. 1
The first electric railway
First silicon rectifier for supplying DC railways
World speed record on rails of 406.9 km/h with standard
overhead contact line
First electric tram with bow collector
First overhead catenary line
First digital protection devices in traction
power supply
1879 1899 1905 1957 1988 1994 2006 2008 2010 2014 2015
Operation without overhead contact line with hybrid energy storage system
First mobile reactive power compensator
First inverter for a regenerative DC
traction power supply
First modular multilevel converter in the AC traction
power supply
First eHighway electrification system on public roads
© Siemens AG 2016
November 2016 Page 37 siemens.com/rail-electrification
Rail Electrification across all continents
USA
Dominican
Republic Mexico
Venezuela
Brazil
Argentina
Columbia
Peru
Chile
Canada
Tunisia
Algeria
Congo
Namibia
South Africa
Zambia
U.A.E. Saudi-
Arabia
Iran Israel Turkey
Kazakhstan
Russia
India
Malaysia
Singapore Indonesia
China Korea
Taiwan
Australia
New Zealand
Thailand
Spain
Portugal
France
United Kingdom
Italy Greece
Bulgaria Serbia
Romania
Russia
Norway
Sweden
Finland
Lithuania Denmark
Bosnia Herzegovina
Austria
Germany
The Netherlands
Belgium Czech Republic
Switzerland
Slovakia
© Siemens AG 2016
November 2016 Page 38 siemens.com/rail-electrification
Metro Lima, Peru
• Selection of space-saving GIS-types, which suit the requirements on low
noise and electro-magnetic emissions for installation in residential areas
• 24-pulse rectifiers to fulfill requirements on low harmonics to the network
• Comprehensive Sitras RSC network control including backup operation
control center and SIL 2 certification
Solution
• Seamless integration of new lines 2 and 4 into the existing metro system
under consideration of customers CO2 saving targets
• Minimal costs for civil works by optimal system engineering and use of
space-saving equipment
• Strict EHS-requirements and high expectations on network power quality
• Highly available network control for traction power and infrastructure
facilities
Challenge
• Robust electrification systems with lowest life cycle costs
• Adherence to requirements from public grid system
• Savings on operational- and training costs due to a uniform and modern
Scada systems for traction power supply and rail infrastructure (BMS)
Customer benefit
Bayovar Passenger Station, Lima, Peru
© Siemens AG 2016
November 2016 Page 39 siemens.com/rail-electrification
Platzhalter für Bild
Metro Riyadh, Saudi Arabia
…
• Siemens is to supply the entire turnkey system for two driverless
metro lines in the capital of Saudi Arabia.
• Siemens equips Lines 1 (Blue Line) and 2 (Red Line) of the six lines
with Inspiro metro trains, the electrification and the signaling and
communication systems for driverless operation.
Solution
• With six lines and a total route length of 175 kilometers, Riyadh is planning
the world's largest subway project.
• Riyadh is growing rapidly: Since 1990, the population has doubled to more
than five million inhabitants.
Challenge
• One single point of contact
• Sustainable solutions for the city’s local traffic problems
• Proven interfaces, performance and reliability in all implemented
projects
• Fulfillment of highest safety standards for operating the system
Customer benefit
Metro Riyadh, Saudi Arabia
© Siemens AG 2016
November 2016 Page 40 siemens.com/rail-electrification
Rail Electrification Program, Denmark
• Overhead catenary system Sicat SX
• Siemens standard 8WL components
• Doubling the number of electrified tracks in Denmark
• New TSI-approved system that is both innovative and proven in
operation
• Off-the-shelf components
Solution
Challenge
Customer benefit
• Reliable system
• Low investment cost
• Reduced cost throughout the complete lifetime of the system
© Siemens AG 2016
November 2016 Page 41 siemens.com/rail-electrification
Destination – Smart Rail Electrification
Siemens provides innovative solutions,
systems and products for traction power
supply, contact lines and network control
technology for the rail traffic of the future.
Siemens is the only provider in the industry offering
a complete portfolio. From consulting to finance,
from system design to implementation and aftersales
service – Siemens implements projects around the
world, always tailored to the individual requirements
of the rail operator.
.
René Wimmer
Siemens AG
Mobility Division
rene.wimmer@siemens.com
.
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